John Mortimer
E524161
John Mortimer was an English nobleman of the early 14th century, notable mainly as a younger son of the powerful Marcher lord Roger Mortimer, 1st Earl of March.
All labels observed (1)
| Label | Occurrences |
|---|---|
| John Mortimer canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5492383 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: John Mortimer Context triple: [Roger Mortimer, 1st Earl of March, child, John Mortimer]
-
A.
John Mortimer
John Mortimer was a British barrister, playwright, and author best known for creating the character Horace Rumpole in the "Rumpole of the Bailey" series.
-
B.
Dudley Simpson
Dudley Simpson was an Australian composer best known for his prolific and influential music scores for the classic British science fiction television series Doctor Who.
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C.
John Paddy Carstairs
John Paddy Carstairs was a British film director and screenwriter best known for his work on mid-20th-century comedies, including several films starring Norman Wisdom.
-
D.
Joe Lamb
Joe Lamb is the young, emotionally sensitive protagonist of the science-fiction film "Super 8," who becomes embroiled in a mysterious and dangerous series of events while making a home movie with his friends.
-
E.
Robert Holmes
Robert Holmes was a prolific British television scriptwriter best known for his influential and imaginative work on the science fiction series Doctor Who.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: John Mortimer Target entity description: John Mortimer was an English nobleman of the early 14th century, notable mainly as a younger son of the powerful Marcher lord Roger Mortimer, 1st Earl of March.
-
A.
John Mortimer
John Mortimer was a British barrister, playwright, and author best known for creating the character Horace Rumpole in the "Rumpole of the Bailey" series.
-
B.
Dudley Simpson
Dudley Simpson was an Australian composer best known for his prolific and influential music scores for the classic British science fiction television series Doctor Who.
-
C.
John Paddy Carstairs
John Paddy Carstairs was a British film director and screenwriter best known for his work on mid-20th-century comedies, including several films starring Norman Wisdom.
-
D.
Joe Lamb
Joe Lamb is the young, emotionally sensitive protagonist of the science-fiction film "Super 8," who becomes embroiled in a mysterious and dangerous series of events while making a home movie with his friends.
-
E.
Robert Holmes
Robert Holmes was a prolific British television scriptwriter best known for his influential and imaginative work on the science fiction series Doctor Who.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
English nobleman
ⓘ
medieval noble ⓘ |
| associatedWith | Welsh Marches NERFINISHED ⓘ |
| centuryOfActivity | 14th century ⓘ |
| countryOfCitizenship | Kingdom of England ⓘ |
| dynasty | Mortimer NERFINISHED ⓘ |
| era | Middle Ages ⓘ |
| ethnicGroup | English ⓘ |
| familyName | Mortimer NERFINISHED ⓘ |
| father | Roger Mortimer, 1st Earl of March NERFINISHED ⓘ |
| floruit | early 14th century ⓘ |
| gender | male ⓘ |
| givenName | John NERFINISHED ⓘ |
| hasAncestralHome | Wigmore Castle NERFINISHED ⓘ |
| languageSpoken | Middle English NERFINISHED ⓘ |
| memberOf | House of Mortimer NERFINISHED ⓘ |
| nobleFamily | Mortimer family NERFINISHED ⓘ |
| nobleTitle | Lord ⓘ |
| notableFor | being a younger son of Roger Mortimer, 1st Earl of March ⓘ |
| partOf | English peerage ⓘ |
| placeOfOrigin | Marches of Wales NERFINISHED ⓘ |
| positionHeld | younger son of a Marcher lord ⓘ |
| relative | Roger Mortimer, 1st Earl of March NERFINISHED ⓘ |
| socialClass | nobility ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: John Mortimer Description of subject: John Mortimer was an English nobleman of the early 14th century, notable mainly as a younger son of the powerful Marcher lord Roger Mortimer, 1st Earl of March.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.